import './index.less'
import React, { Component } from 'react'
import { Button } from 'antd';
import { connect } from 'react-redux'
import {
    increment,
    decrement,
    incrementAsync
}
    from '../../redux/actions/count'

class Count extends Component {

    constructor(props) {
        super(props);
        this.state = {
            num: 1
        }
    }
    increment = () => {
        const { value } = this.selectNumber
        this.props.increment(value * 1)
    }
    decrement = () => {
        const { value } = this.selectNumber
        this.props.decrement(value * 1)
    }
    incrementIfOdd = () => {
        const { value } = this.selectNumber
        if (this.props.count % 2 !== 0) {
            this.props.increment(value * 1)
        }
    }
    incrementAsync = () => {
        const { value } = this.selectNumber
        this.props.incrementAsync(value * 1, 500)
    }

    render() {
        return (
            <div>
                <h1>Count组件,目前共有{this.props.person}人;</h1>
                <h2>当前和为：{this.props.count}</h2>
                <select ref={c => this.selectNumber = c} >
                    <option value="1">1</option>
                    <option value="2">2</option>
                    <option value="3">3</option>
                </select>&nbsp;
                <Button type="primary" onClick={this.increment}>+</Button>&nbsp;
                <Button type="primary" onClick={this.decrement}>-</Button>&nbsp;
                <Button type="primary" onClick={this.incrementIfOdd}>和为奇数再加</Button>&nbsp;
                <Button type="primary" onClick={this.incrementAsync}>异步加</Button>&nbsp;
            </div>
        )
    }
}


export default connect(
    state => ({ count: state.count, person: state.person.length }),
    {increment,decrement,incrementAsync}
)(Count);
